package chapter14;

import java.lang.reflect.*;

class DynamicProxyHandler implements InvocationHandler {
	private Object proxied;
	public DynamicProxyHandler(Object proxied) {
		this.proxied = proxied;
	}
	@Override
	public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
		System.out.println("**** proxy: " + proxy.getClass() + ", method: " +
	       method + ", args: " + args);
		if(args != null) 
			for(Object arg: args) 
				System.out.println(" " + args);
		return method.invoke(proxied, args);
	}
	
}
public class SimpleDynamicProxy {
	public static void consumer(Interface iface) {
		iface.doSomething();
		iface.somethingElse("bonobo");
	}
	
	public static void main(String[] args) {
		RealObject real = new RealObject();
		consumer(real);
		
		Interface proxy = (Interface) Proxy.newProxyInstance(Interface.class.getClassLoader(),
				new Class[]{Interface.class}, new DynamicProxyHandler(real));
		consumer(proxy);
	}
}
